Product description: Function: Temperature specification Minimum melting temperature: 138°C Minimum compression temperature: 80°C Working temperature: -55℃-125℃ Compression temperature > 160°C Material: PE, welded Product Name: Heat welding can be performed Maximum voltage: 600V Polyene material Recovery: 2:01 Dielectric strength: 1kw Protection level: IP67 Include: 200 x Red Shrink Connectors 180 x Blue Shrink Connectors 80 x White Shrink Connectors 40 x Yellow Shrink Connectors Features: Designed with polyacrylic tube outside and thermal adhesive inside, it creates a durable waterproof seal between wires and connectors. ●Watend connectors will prevent corrosion even in the most humid environment. Feature: ● The transparent sleeve of the butt connector allows for visual inspection. --- You can control the working temperature and heating time. ●Easy Identification: Different colors for different sizes of connectors ● Can be perfectly used in marine and automotive applications.